-3.
NPN
,
. - , R
1
7 , R
2
150 .
-
(1) I
C
= 1 , L = 100 , f = 10 , U
C
= 20 B, R
BE
= 100
. .
-
U
CB
100
B
- (I
= 0)
U
CEO
100
B
-
U
EB
5
B
I
C
15
I
CM
20
I
B
0.5
P
D
65 (T
=25 )
2 (T
=25 )
(1)
E
50
T
j
-65 +150
T
jmax
+150
-
. .
- U
CEO(sus)
100
-
I
C
=100
-
I
CO
-
0.1
U
C
=100 B, I
=0
-
I
O
-
0.1
U
CB
=100 B
-
I
O
-
2
U
EB
=5 B
h
FE
-
1000
1000
1000
100
-
I
C
=0.5 , U
C
=3 B
I
C
=3 , U
C
=3 B
I
C
=5 , U
C
=5 B
I
C
=15 , U
C
=5 B
- U
CE(sat)
B
-
1.5
1.7
2.5
I
C
=3 , I
B
=12
I
C
=5 , I
B
=20
I
C
=10 , I
B
=20
-
U
BE(sat)
B
-
2
2.3
I
C
=5 , I
B
=20
I
C
=10 , I
B
=20
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